Last name Гаспер (Gasper 
, Gašper 
, Гаспер 
) , globally, is a common family name. The cognomen Гаспер is habitual in Slovenia, where it is quite a common surname, Tanzania, and Slovakia, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Tanzania, the United States, and Germany. Likewise, Гаспер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gasper | Germany, Philippines, United States, Tanzania, Slovenia |
| Gašper | Germany, Croatia, United States, Slovenia, Slovakia |
| Гаспер | Kazakhstan, Russia, Belarus |